expect he interest hard twenty

（1）I think history is　　． I like it very much．

（2）People　　 ever keep their resolutions， though they make them．

（3）I helped　　to kill the cannibals．

（4）I've read a lot of books and this is the　　book I have read this year．

（5）Life is full of the　　； bad luck may turn into a good thing．